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inst/grep.m

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## -*- texinfo -*-

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## @deftypefn{Function File} {@var{[y,f]} = } grep ( x ) 

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## @cindex  

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## This function is just to save typing and improve 

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## readability, as in foo(find(foo(:,p)),p) vs. grep(foo(:,p))

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##

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## You can use grep as follows,

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## @example

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## y = grep(x) = x(find(x))

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## [y,f] = [x(find(x)),find(x)]

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## @end example

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## @seealso{find,strfind}

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## @end deftypefn

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## Author:        Etienne Grossmann <etienne@cs.uky.edu>

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## Last modified: October 2000

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function [y,f] = grep(x)

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y = x(:)(f = find(x));

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## That does not seem to improve anything

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#    if nargout<2,

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#      y = x(find(x));

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#    else

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#      y = x(f = find(x));

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#    end

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